Chinese Abstract: 互联网经济通过大幅度降低交易成本和降低信息不对称程度，加速现有交易的发 生，并促成新的交易，提高整体社会福利。由于还没有充分考量“数据”和“信息”等新要...

The aim of this study is to investigate how network effects affect the quality and price decisions of firms in a vertically differentiated market. As network effects increase, high-quality producers tend to raise quality while low-quality producers lower it. The degree of product differentiation...

This paper empirically analyze the nonlinear relation between real output per capital and public debt by employing threshold cointegration method based on ARDL model. Empirical results show that there exists a threshold cointegration relationship between government debt and real output per...